Finding the Fourth Proportional to 2,147.32, 2,964.17 and 1,817.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147.32 : 2,964.17 = 1,817.46 : x
2. Step 2: Convert to fraction form
   2,147.32/2,964.17 = 1,817.46/x
3. Step 3: Cross multiply
   2,147.32x = 2,964.17 × 1,817.46
4. Step 4: Simplify right side
   2,147.32x = 5,387,260.41
5. Step 5: Solve for x
   x = 5,387,260.41/2,147.32
6. Step 6: Final answer
   x = 2,508.83